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program DiemTB;
var
diemToan, diemVan, diemTB: real;
begin
write('Nhap diem mon Toan: ');
readln(diemToan);
write('Nhap diem mon Van: ');
readln(diemVan);
diemTB := (diemToan + diemVan) / 2;
writeln('Diem trung binh: ', diemTB:0:2);
if diemTB >= 5 then
writeln('Chuc mung! Ban da dau ky thi.')
else
writeln('Rat tiec! Ban da truot ky thi.');
readln;
end.
uses crt;
var a:array[1..100]of real;
n,i,dem:integer;
begin
clrscr;
readln(n);
for i:=1 to n do readln(a[i]);
dem:=0;
for i:=1 to n do
if a[i]>=8 then dem:=dem+1;
for i:=1 to n do
if a[i]>=8 then write(a[i]:4:2,' ');
writeln;
writeln(dem);
readln;
end.
program DiemTrungBinh;
var
diem: real;
i, n: integer;
begin
write('Nhap so luong ban trong lop: ');
readln(n);
for i := 1 to n do
begin
write('Nhap diem trung binh cua ban ', i, ': ');
readln(diem);
if diem >= 5 then
writeln('Diem trung binh cua ban ', i, ' la: ', diem:0:2);
end;
end.
uses crt;
var a:array[1..100]of real;
i,n,dem1,dem2,dem3,dem4:integer;
begin
clrscr;
readln(n);
for i:=1 to n do readln(a[i]);
dem1:=0;
dem2:=0;
dem3:=0;
dem4:=0;
for i:=1 to n do
begin
if (a[i]>=8) then inc(dem1);
if (6.5<=a[i]) and (a[i]<=7.9) then inc(dem2);
if (5<=a[i]) and (a[i]<=6.4) then inc(dem3);
if (a[i]<5) then inc(dem4);
end;
writeln('So hoc sinh gioi la: ',dem1);
writeln('So hoc sinh kha la: ',dem2);
writeln('So hoc sinh trung binh la: ',dem3);
writeln('So hoc sinh kem la: ',dem4);
readln;
end.
a:array[1..200] of real;
begin
clrscr;
write('Nhap tong so ban trong lop:');
readln(n);
for i:=1 to n do readln(a[i]);
gioi:=0; kha:=0; kem:=0;
for i:=1 to n do
begin
if (a[i]>=8) then inc(gioi);
if (6.5<=a[i]) and (a[i]<=7.9) then inc(kha);
if (a[i]<6.5) then inc(kem);
end;
writeln('So hoc sinh gioi la:',gioi);
writeln('So hoc sinh kha la:',kha);
writeln('So hoc sinh kem la:',kem);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
double a[10],b,c,tb;
int n,i,dem;
int main()
{
cout<<"Nhap so cot thuong xuyen:"; cin>>n;
tb=0;
for (i=1; i<=n; i++)
{
cin>>a[i];
tb=tb+a[i];
}
cin>>b>>c;
tb=tb+b+c;
cout<<fixed<<setprecision(2)<<tb/(n+2)<<endl;
if (tb>=8) cout<<"Gioi";
else if ((tb>=6.5) and (tb<8)) cout<<"Kha";
else if ((tb>=5) and (tb<6.5)) cout<<"Trung binh";
else cout<<"Yeu";
return 0;
}
#include <bits/stdc++.h>
using namespace std;
double a[10],b,c,tb;
int i,n;
int main()
{
cout<<"Nhap so cot thuong xuyen:"; cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
cout<<"Nhap diem giua ki:"; cin>>b;
cout<<"Nhap diem cuoi ki:"; cin>>c;
tb=0;
for (i=1; i<=n; i++) tb=tb+a[i];
tb=tb+b+c;
tb=tb/((n+2)*1.0);
cout<<fixed<<setprecision(2)<<tb<<endl;
if (tb>=8) cout<<"Gioi";
else if ((tb>=6.5) and (tb<8)) cout<<"Kha";
else if ((tb>=5) and (tb<6.5)) cout<<"Trung binh";
else cout<<"Yeu";
return 0;
}
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